Reference values for the deep-boring by boring and trepanning.
NORMA vydaná dňa 1.11.1977
Designation standards: VDI 3209
Note: NEPLATNÁ
Publication date standards: 1.11.1977
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: German technical standard
Kategória: Technické normy VDI
Richtwerte für das Tiefbohren nach dem BTA-Verfahren.